{"id":577904,"date":"2026-08-07T09:11:45","date_gmt":"2026-08-07T02:11:45","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=577904"},"modified":"2026-08-07T09:11:45","modified_gmt":"2026-08-07T02:11:45","slug":"ransomware-la-gi","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/ransomware-la-gi\/","title":{"rendered":"Ransomware l\u00e0 g\u00ec? M\u00e3 \u0111\u1ed9c t\u1ed1ng ti\u1ec1n v\u00e0 c\u00e1ch ph\u00f2ng tr\u00e1nh"},"content":{"rendered":"<p><strong>Ransomware (m\u00e3 \u0111\u1ed9c t\u1ed1ng ti\u1ec1n) l\u00e0 m\u1ed9t lo\u1ea1i ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i (malware) m\u00e3 h\u00f3a ho\u1eb7c kh\u00f3a d\u1eef li\u1ec7u, thi\u1ebft b\u1ecb c\u1ee7a n\u1ea1n nh\u00e2n, sau \u0111\u00f3 \u0111\u00f2i ti\u1ec1n chu\u1ed9c \u0111\u1ec3 kh\u00f4i ph\u1ee5c quy\u1ec1n truy c\u1eadp. Khi b\u1ecb nhi\u1ec5m ransomware, c\u00e1c t\u1eadp tin (t\u00e0i li\u1ec7u, h\u00ecnh \u1ea3nh, d\u1eef li\u1ec7u) b\u1ecb m\u00e3 h\u00f3a v\u00e0 kh\u00f4ng m\u1edf \u0111\u01b0\u1ee3c, k\u00e8m th\u00f4ng b\u00e1o y\u00eau c\u1ea7u tr\u1ea3 ti\u1ec1n (th\u01b0\u1eddng b\u1eb1ng ti\u1ec1n m\u00e3 h\u00f3a) \u0111\u1ec3 l\u1ea5y l\u1ea1i. Ransomware l\u00e2y lan qua email l\u1eeba \u0111\u1ea3o, file \u0111\u00ednh k\u00e8m \u0111\u1ed9c h\u1ea1i, ph\u1ea7n m\u1ec1m l\u1eadu ho\u1eb7c l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt. \u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng m\u1ed1i \u0111e d\u1ecda an ninh m\u1ea1ng nguy hi\u1ec3m nh\u1ea5t v\u1edbi c\u1ea3 c\u00e1 nh\u00e2n v\u00e0 doanh nghi\u1ec7p, n\u00ean ph\u00f2ng ng\u1eeba v\u00e0 sao l\u01b0u d\u1eef li\u1ec7u l\u00e0 r\u1ea5t quan tr\u1ecdng.<\/strong> B\u00e0i vi\u1ebft n\u00e0y gi\u1ea3i th\u00edch ransomware l\u00e0 g\u00ec, c\u00e1ch l\u00e2y lan v\u00e0 c\u00e1ch ph\u00f2ng tr\u00e1nh.<\/p>\n<h2>Ransomware l\u00e0 g\u00ec?<\/h2>\n<p>Ransomware (gh\u00e9p t\u1eeb &#8220;ransom&#8221; &#8211; ti\u1ec1n chu\u1ed9c v\u00e0 &#8220;software&#8221; &#8211; ph\u1ea7n m\u1ec1m, t\u1ea1m d\u1ecbch l\u00e0 m\u00e3 \u0111\u1ed9c t\u1ed1ng ti\u1ec1n) l\u00e0 m\u1ed9t lo\u1ea1i ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 chi\u1ebfm quy\u1ec1n ki\u1ec3m so\u00e1t d\u1eef li\u1ec7u ho\u1eb7c thi\u1ebft b\u1ecb c\u1ee7a n\u1ea1n nh\u00e2n, r\u1ed3i \u0111\u00f2i ti\u1ec1n chu\u1ed9c \u0111\u1ec3 tr\u1ea3 l\u1ea1i quy\u1ec1n truy c\u1eadp. C\u1ee5 th\u1ec3, khi x\u00e2m nh\u1eadp v\u00e0o m\u00e1y t\u00ednh hay thi\u1ebft b\u1ecb, ransomware s\u1ebd <strong>m\u00e3 h\u00f3a c\u00e1c t\u1eadp tin<\/strong> (t\u00e0i li\u1ec7u, \u1ea3nh, video, d\u1eef li\u1ec7u c\u00f4ng vi\u1ec7c) khi\u1ebfn ch\u00fang kh\u00f4ng th\u1ec3 m\u1edf \u0111\u01b0\u1ee3c, ho\u1eb7c <strong>kh\u00f3a to\u00e0n b\u1ed9 thi\u1ebft b\u1ecb<\/strong>.<\/p>\n<p>Sau \u0111\u00f3, k\u1ebb t\u1ea5n c\u00f4ng hi\u1ec3n th\u1ecb m\u1ed9t th\u00f4ng b\u00e1o \u0111\u00f2i n\u1ea1n nh\u00e2n tr\u1ea3 m\u1ed9t kho\u1ea3n ti\u1ec1n (th\u01b0\u1eddng b\u1eb1ng ti\u1ec1n m\u00e3 h\u00f3a nh\u01b0 Bitcoin \u0111\u1ec3 kh\u00f3 truy v\u1ebft) \u0111\u1ed5i l\u1ea5y &#8220;ch\u00eca kh\u00f3a&#8221; gi\u1ea3i m\u00e3 ho\u1eb7c m\u1edf kh\u00f3a. Ransomware l\u00e0 m\u1ed9t trong nh\u1eefng h\u00ecnh th\u1ee9c t\u1ea5n c\u00f4ng m\u1ea1ng g\u00e2y thi\u1ec7t h\u1ea1i l\u1edbn nh\u1ea5t hi\u1ec7n nay, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u1ea3 c\u00e1 nh\u00e2n, doanh nghi\u1ec7p, b\u1ec7nh vi\u1ec7n, c\u01a1 quan nh\u00e0 n\u01b0\u1edbc. Nguy hi\u1ec3m \u1edf ch\u1ed7 ngay c\u1ea3 khi tr\u1ea3 ti\u1ec1n, n\u1ea1n nh\u00e2n c\u0169ng kh\u00f4ng ch\u1eafc l\u1ea5y l\u1ea1i \u0111\u01b0\u1ee3c d\u1eef li\u1ec7u, v\u00e0 vi\u1ec7c tr\u1ea3 ti\u1ec1n c\u00f2n khuy\u1ebfn kh\u00edch t\u1ed9i ph\u1ea1m ti\u1ebfp t\u1ee5c. V\u00ec v\u1eady, ph\u00f2ng ng\u1eeba lu\u00f4n quan tr\u1ecdng h\u01a1n kh\u1eafc ph\u1ee5c. Hi\u1ec3u ransomware l\u00e0 g\u00ec gi\u00fap b\u1ea1n nh\u1eadn th\u1ee9c \u0111\u01b0\u1ee3c m\u1ed1i nguy v\u00e0 ch\u1ee7 \u0111\u1ed9ng b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u. \u0110\u00e2y l\u00e0 ki\u1ebfn th\u1ee9c an ninh m\u1ea1ng thi\u1ebft y\u1ebfu.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-577907\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/08\/ransomware-la-gi-4.jpg\" alt=\"ransomware-la-gi-4\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/08\/ransomware-la-gi-4.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/08\/ransomware-la-gi-4-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/08\/ransomware-la-gi-4-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2>Ransomware l\u00e2y lan nh\u01b0 th\u1ebf n\u00e0o?<\/h2>\n<p>Ransomware c\u00f3 th\u1ec3 x\u00e2m nh\u1eadp v\u00e0o thi\u1ebft b\u1ecb qua nhi\u1ec1u con \u0111\u01b0\u1eddng, ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0:<\/p>\n<ul>\n<li><strong>Email l\u1eeba \u0111\u1ea3o (phishing)<\/strong> \u2013 k\u1ebb t\u1ea5n c\u00f4ng g\u1eedi email ch\u1ee9a file \u0111\u00ednh k\u00e8m \u0111\u1ed9c h\u1ea1i ho\u1eb7c li\u00ean k\u1ebft l\u1eeba, khi n\u1ea1n nh\u00e2n m\u1edf\/b\u1ea5m v\u00e0o th\u00ec m\u00e3 \u0111\u1ed9c \u0111\u01b0\u1ee3c c\u00e0i.<\/li>\n<li><strong>File t\u1ea3i v\u1ec1 kh\u00f4ng an to\u00e0n<\/strong> \u2013 ph\u1ea7n m\u1ec1m l\u1eadu, crack, file t\u1eeb ngu\u1ed3n kh\u00f4ng r\u00f5 r\u00e0ng th\u01b0\u1eddng ch\u1ee9a ransomware.<\/li>\n<li><strong>L\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt<\/strong> \u2013 k\u1ebb t\u1ea5n c\u00f4ng l\u1ee3i d\u1ee5ng l\u1ed7 h\u1ed5ng trong h\u1ec7 \u0111i\u1ec1u h\u00e0nh, ph\u1ea7n m\u1ec1m ch\u01b0a \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt \u0111\u1ec3 c\u00e0i m\u00e3 \u0111\u1ed9c t\u1eeb xa.<\/li>\n<li><strong>Thi\u1ebft b\u1ecb l\u01b0u tr\u1eef nhi\u1ec5m \u0111\u1ed9c<\/strong> \u2013 USB, \u1ed5 c\u1ee9ng ngo\u00e0i ch\u1ee9a m\u00e3 \u0111\u1ed9c.<\/li>\n<li><strong>Website \u0111\u1ed9c h\u1ea1i<\/strong> \u2013 truy c\u1eadp trang web b\u1ecb nhi\u1ec5m c\u0169ng c\u00f3 th\u1ec3 l\u00e2y.<\/li>\n<\/ul>\n<p>Sau khi x\u00e2m nh\u1eadp, ransomware \u00e2m th\u1ea7m m\u00e3 h\u00f3a d\u1eef li\u1ec7u r\u1ed3i m\u1edbi hi\u1ec7n th\u00f4ng b\u00e1o \u0111\u00f2i ti\u1ec1n \u2013 l\u00fac n\u00e0y th\u01b0\u1eddng \u0111\u00e3 qu\u00e1 mu\u1ed9n. Trong m\u00f4i tr\u01b0\u1eddng doanh nghi\u1ec7p, ransomware c\u00f2n c\u00f3 th\u1ec3 l\u00e2y lan kh\u1eafp h\u1ec7 th\u1ed1ng m\u1ea1ng, g\u00e2y t\u00ea li\u1ec7t to\u00e0n b\u1ed9 ho\u1ea1t \u0111\u1ed9ng. \u0110i\u1ec3m chung l\u00e0 h\u1ea7u h\u1ebft c\u00e1c con \u0111\u01b0\u1eddng l\u00e2y lan \u0111\u1ec1u li\u00ean quan \u0111\u1ebfn s\u1ef1 b\u1ea5t c\u1ea9n c\u1ee7a ng\u01b0\u1eddi d\u00f9ng (m\u1edf file l\u1ea1, t\u1ea3i ph\u1ea7n m\u1ec1m l\u1eadu) ho\u1eb7c l\u1ed7 h\u1ed5ng ch\u01b0a v\u00e1. Hi\u1ec3u c\u00e1ch ransomware l\u00e2y lan gi\u00fap b\u1ea1n bi\u1ebft c\u1ea7n c\u1ea9n tr\u1ecdng \u1edf \u0111\u00e2u \u0111\u1ec3 ph\u00f2ng tr\u00e1nh. \u0110\u00e2y l\u00e0 ki\u1ebfn th\u1ee9c quan tr\u1ecdng \u0111\u1ec3 b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-577908\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/08\/ransomware-la-gi-1.jpg\" alt=\"ransomware-la-gi-1\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/08\/ransomware-la-gi-1.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/08\/ransomware-la-gi-1-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/08\/ransomware-la-gi-1-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2>D\u1ea5u hi\u1ec7u v\u00e0 t\u00e1c h\u1ea1i c\u1ee7a ransomware<\/h2>\n<table>\n<thead>\n<tr>\n<th>D\u1ea5u hi\u1ec7u\/T\u00e1c h\u1ea1i<\/th>\n<th>M\u00f4 t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Kh\u00f4ng m\u1edf \u0111\u01b0\u1ee3c file<\/td>\n<td>T\u1eadp tin b\u1ecb m\u00e3 h\u00f3a, \u0111\u1ed5i \u0111u\u00f4i l\u1ea1, kh\u00f4ng th\u1ec3 truy c\u1eadp<\/td>\n<\/tr>\n<tr>\n<td>Th\u00f4ng b\u00e1o \u0111\u00f2i ti\u1ec1n chu\u1ed9c<\/td>\n<td>M\u00e0n h\u00ecnh hi\u1ec7n y\u00eau c\u1ea7u tr\u1ea3 ti\u1ec1n \u0111\u1ec3 l\u1ea5y l\u1ea1i d\u1eef li\u1ec7u<\/td>\n<\/tr>\n<tr>\n<td>Thi\u1ebft b\u1ecb b\u1ecb kh\u00f3a<\/td>\n<td>Kh\u00f4ng d\u00f9ng \u0111\u01b0\u1ee3c m\u00e1y, b\u1ecb ch\u1eb7n truy c\u1eadp<\/td>\n<\/tr>\n<tr>\n<td>M\u1ea5t d\u1eef li\u1ec7u<\/td>\n<td>C\u00f3 th\u1ec3 m\u1ea5t v\u0129nh vi\u1ec5n n\u1ebfu kh\u00f4ng c\u00f3 b\u1ea3n sao l\u01b0u<\/td>\n<\/tr>\n<tr>\n<td>Thi\u1ec7t h\u1ea1i t\u00e0i ch\u00ednh<\/td>\n<td>Ti\u1ec1n chu\u1ed9c, gi\u00e1n \u0111o\u1ea1n c\u00f4ng vi\u1ec7c, chi ph\u00ed kh\u1eafc ph\u1ee5c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>C\u00e1ch ph\u00f2ng tr\u00e1nh ransomware<\/h2>\n<p>Ph\u00f2ng ng\u1eeba l\u00e0 c\u00e1ch t\u1ed1t nh\u1ea5t \u0111\u1ec3 \u0111\u1ed1i ph\u00f3 v\u1edbi ransomware, v\u00ec khi \u0111\u00e3 nhi\u1ec5m th\u00ec r\u1ea5t kh\u00f3 kh\u1eafc ph\u1ee5c. C\u00e1c bi\u1ec7n ph\u00e1p quan tr\u1ecdng g\u1ed3m:<\/p>\n<ul>\n<li>Th\u1ee9 nh\u1ea5t, <strong>sao l\u01b0u d\u1eef li\u1ec7u th\u01b0\u1eddng xuy\u00ean<\/strong> \u2013 \u0111\u00e2y l\u00e0 bi\u1ec7n ph\u00e1p quan tr\u1ecdng nh\u1ea5t; gi\u1eef b\u1ea3n sao d\u1eef li\u1ec7u quan tr\u1ecdng \u1edf n\u01a1i t\u00e1ch bi\u1ec7t (\u1ed5 c\u1ee9ng ngo\u00e0i, \u0111\u00e1m m\u00e2y) \u0111\u1ec3 n\u1ebfu b\u1ecb m\u00e3 h\u00f3a v\u1eabn kh\u00f4i ph\u1ee5c \u0111\u01b0\u1ee3c m\u00e0 kh\u00f4ng c\u1ea7n tr\u1ea3 ti\u1ec1n.<\/li>\n<li>Th\u1ee9 hai, <strong>c\u1ea9n tr\u1ecdng v\u1edbi email, file l\u1ea1<\/strong> \u2013 kh\u00f4ng m\u1edf file \u0111\u00ednh k\u00e8m hay b\u1ea5m link t\u1eeb ngu\u1ed3n kh\u00f4ng r\u00f5 r\u00e0ng (\u0111\u00e2y l\u00e0 con \u0111\u01b0\u1eddng l\u00e2y ph\u1ed5 bi\u1ebfn nh\u1ea5t).<\/li>\n<li>Th\u1ee9 ba, <strong>kh\u00f4ng d\u00f9ng ph\u1ea7n m\u1ec1m l\u1eadu, crack<\/strong> \u2013 ch\u00fang th\u01b0\u1eddng ch\u1ee9a m\u00e3 \u0111\u1ed9c.<\/li>\n<li>Th\u1ee9 t\u01b0, <strong>c\u1eadp nh\u1eadt h\u1ec7 \u0111i\u1ec1u h\u00e0nh v\u00e0 ph\u1ea7n m\u1ec1m<\/strong> th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 v\u00e1 l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt.<\/li>\n<li>Th\u1ee9 n\u0103m, <strong>d\u00f9ng ph\u1ea7n m\u1ec1m di\u1ec7t virus, b\u1ea3o m\u1eadt<\/strong> uy t\u00edn v\u00e0 b\u1eadt t\u01b0\u1eddng l\u1eeda.<\/li>\n<li>Th\u1ee9 s\u00e1u, <strong>h\u1ea1n ch\u1ebf quy\u1ec1n truy c\u1eadp<\/strong> v\u00e0 c\u1ea9n th\u1eadn v\u1edbi thi\u1ebft b\u1ecb l\u01b0u tr\u1eef l\u1ea1. N\u1ebfu ch\u1eb3ng may b\u1ecb nhi\u1ec5m ransomware, b\u1ea1n n\u00ean ng\u1eaft k\u1ebft n\u1ed1i m\u1ea1ng ngay \u0111\u1ec3 tr\u00e1nh l\u00e2y lan, kh\u00f4ng v\u1ed9i tr\u1ea3 ti\u1ec1n (kh\u00f4ng \u0111\u1ea3m b\u1ea3o l\u1ea5y l\u1ea1i \u0111\u01b0\u1ee3c d\u1eef li\u1ec7u), v\u00e0 t\u00ecm s\u1ef1 tr\u1ee3 gi\u00fap t\u1eeb chuy\u00ean gia b\u1ea3o m\u1eadt; ki\u1ec3m tra xem c\u00f3 c\u00f4ng c\u1ee5 gi\u1ea3i m\u00e3 mi\u1ec5n ph\u00ed cho lo\u1ea1i ransomware \u0111\u00f3 kh\u00f4ng. Hi\u1ec3u c\u00e1c c\u00e1ch ph\u00f2ng tr\u00e1nh n\u00e0y gi\u00fap b\u1ea1n b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u an to\u00e0n. \u0110\u00e2y l\u00e0 th\u00f4ng tin tham kh\u1ea3o h\u1eefu \u00edch.<\/li>\n<\/ul>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-577909\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/08\/ransomware-la-gi-2.jpg\" alt=\"ransomware-la-gi-2\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/08\/ransomware-la-gi-2.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/08\/ransomware-la-gi-2-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/08\/ransomware-la-gi-2-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2>Ransomware v\u1edbi c\u00e1 nh\u00e2n v\u00e0 doanh nghi\u1ec7p<\/h2>\n<p>Ransomware g\u00e2y h\u1eadu qu\u1ea3 kh\u00e1c nhau v\u1edbi c\u00e1 nh\u00e2n v\u00e0 doanh nghi\u1ec7p, nh\u01b0ng \u0111\u1ec1u nghi\u00eam tr\u1ecdng. V\u1edbi <strong>c\u00e1 nh\u00e2n<\/strong>, b\u1ecb ransomware ngh\u0129a l\u00e0 c\u00f3 th\u1ec3 m\u1ea5t nh\u1eefng d\u1eef li\u1ec7u qu\u00fd gi\u00e1 nh\u01b0 \u1ea3nh gia \u0111\u00ecnh, t\u00e0i li\u1ec7u c\u00e1 nh\u00e2n, d\u1eef li\u1ec7u c\u00f4ng vi\u1ec7c \u2013 n\u1ebfu kh\u00f4ng c\u00f3 b\u1ea3n sao l\u01b0u th\u00ec g\u1ea7n nh\u01b0 m\u1ea5t v\u0129nh vi\u1ec5n. V\u1edbi <strong>doanh nghi\u1ec7p, t\u1ed5 ch\u1ee9c<\/strong>, h\u1eadu qu\u1ea3 c\u00f2n l\u1edbn h\u01a1n nhi\u1ec1u: ransomware c\u00f3 th\u1ec3 m\u00e3 h\u00f3a to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng, l\u00e0m t\u00ea li\u1ec7t ho\u1ea1t \u0111\u1ed9ng s\u1ea3n xu\u1ea5t kinh doanh, m\u1ea5t d\u1eef li\u1ec7u kh\u00e1ch h\u00e0ng, gi\u00e1n \u0111o\u1ea1n d\u1ecbch v\u1ee5, thi\u1ec7t h\u1ea1i t\u00e0i ch\u00ednh kh\u1ed5ng l\u1ed3 v\u00e0 t\u1ed5n h\u1ea1i uy t\u00edn nghi\u00eam tr\u1ecdng.<\/p>\n<p>\u0110\u00e3 c\u00f3 nhi\u1ec1u v\u1ee5 ransomware t\u1ea5n c\u00f4ng b\u1ec7nh vi\u1ec7n, ng\u00e2n h\u00e0ng, c\u01a1 quan nh\u00e0 n\u01b0\u1edbc g\u00e2y h\u1eadu qu\u1ea3 l\u1edbn tr\u00ean th\u1ebf gi\u1edbi. Ch\u00ednh v\u00ec v\u1eady, c\u00e1c t\u1ed5 ch\u1ee9c th\u01b0\u1eddng \u0111\u1ea7u t\u01b0 m\u1ea1nh v\u00e0o b\u1ea3o m\u1eadt, sao l\u01b0u \u0111\u1ecbnh k\u1ef3 v\u00e0 k\u1ebf ho\u1ea1ch \u1ee9ng ph\u00f3 s\u1ef1 c\u1ed1. D\u00f9 l\u00e0 c\u00e1 nh\u00e2n hay t\u1ed5 ch\u1ee9c, nguy\u00ean t\u1eafc chung v\u1eabn l\u00e0: ph\u00f2ng ng\u1eeba (sao l\u01b0u, c\u1ea3nh gi\u00e1c, c\u1eadp nh\u1eadt) quan tr\u1ecdng h\u01a1n nhi\u1ec1u so v\u1edbi vi\u1ec7c kh\u1eafc ph\u1ee5c sau khi \u0111\u00e3 b\u1ecb t\u1ea5n c\u00f4ng. Hi\u1ec3u t\u00e1c \u0111\u1ed9ng c\u1ee7a ransomware \u1edf c\u00e1c quy m\u00f4 kh\u00e1c nhau gi\u00fap b\u1ea1n \u00fd th\u1ee9c h\u01a1n v\u1ec1 t\u1ea7m quan tr\u1ecdng c\u1ee7a b\u1ea3o m\u1eadt d\u1eef li\u1ec7u. \u0110\u00e2y l\u00e0 th\u00f4ng tin tham kh\u1ea3o h\u1eefu \u00edch cho m\u1ecdi ng\u01b0\u1eddi.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-577910\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/08\/ransomware-la-gi-3.jpg\" alt=\"ransomware-la-gi-3\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/08\/ransomware-la-gi-3.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/08\/ransomware-la-gi-3-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/08\/ransomware-la-gi-3-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 ransomware<\/h2>\n<h3>Ransomware l\u00e0 g\u00ec?<\/h3>\n<p>L\u00e0 m\u00e3 \u0111\u1ed9c t\u1ed1ng ti\u1ec1n, m\u00e3 h\u00f3a ho\u1eb7c kh\u00f3a d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n r\u1ed3i \u0111\u00f2i ti\u1ec1n chu\u1ed9c \u0111\u1ec3 kh\u00f4i ph\u1ee5c.<\/p>\n<h3>Ransomware l\u00e2y lan qua \u0111\u00e2u?<\/h3>\n<p>Qua email l\u1eeba \u0111\u1ea3o, file \u0111\u00ednh k\u00e8m\/t\u1ea3i v\u1ec1 \u0111\u1ed9c h\u1ea1i, ph\u1ea7n m\u1ec1m l\u1eadu, l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt, USB nhi\u1ec5m \u0111\u1ed9c.<\/p>\n<h3>B\u1ecb ransomware c\u00f3 n\u00ean tr\u1ea3 ti\u1ec1n kh\u00f4ng?<\/h3>\n<p>Kh\u00f4ng n\u00ean; tr\u1ea3 ti\u1ec1n kh\u00f4ng \u0111\u1ea3m b\u1ea3o l\u1ea5y l\u1ea1i d\u1eef li\u1ec7u v\u00e0 c\u00f2n khuy\u1ebfn kh\u00edch t\u1ed9i ph\u1ea1m.<\/p>\n<h3>L\u00e0m sao ph\u00f2ng tr\u00e1nh ransomware?<\/h3>\n<p>Sao l\u01b0u d\u1eef li\u1ec7u th\u01b0\u1eddng xuy\u00ean, c\u1ea9n tr\u1ecdng email\/file l\u1ea1, kh\u00f4ng d\u00f9ng ph\u1ea7n m\u1ec1m l\u1eadu, c\u1eadp nh\u1eadt, di\u1ec7t virus.<\/p>\n<h3>Bi\u1ec7n ph\u00e1p quan tr\u1ecdng nh\u1ea5t ch\u1ed1ng ransomware l\u00e0 g\u00ec?<\/h3>\n<p>Sao l\u01b0u d\u1eef li\u1ec7u \u0111\u1ecbnh k\u1ef3 \u1edf n\u01a1i t\u00e1ch bi\u1ec7t, \u0111\u1ec3 c\u00f3 th\u1ec3 kh\u00f4i ph\u1ee5c khi b\u1ecb m\u00e3 h\u00f3a.<\/p>\n<h3>B\u1ecb nhi\u1ec5m ransomware ph\u1ea3i l\u00e0m g\u00ec?<\/h3>\n<p>Ng\u1eaft k\u1ebft n\u1ed1i m\u1ea1ng ngay, kh\u00f4ng v\u1ed9i tr\u1ea3 ti\u1ec1n, t\u00ecm chuy\u00ean gia v\u00e0 ki\u1ec3m tra c\u00f4ng c\u1ee5 gi\u1ea3i m\u00e3 mi\u1ec5n ph\u00ed.<\/p>\n<h3>\u0110i\u1ec7n tho\u1ea1i c\u00f3 b\u1ecb ransomware kh\u00f4ng?<\/h3>\n<p>C\u00f3 th\u1ec3; n\u00ean c\u00e0i app t\u1eeb ngu\u1ed3n ch\u00ednh th\u1ee9c v\u00e0 c\u1ea9n tr\u1ecdng v\u1edbi link, file l\u1ea1.<\/p>\n<h3>Di\u1ec7t virus c\u00f3 ch\u1eb7n \u0111\u01b0\u1ee3c ransomware kh\u00f4ng?<\/h3>\n<p>Gi\u00fap gi\u1ea3m nguy c\u01a1 nh\u01b0ng kh\u00f4ng tuy\u1ec7t \u0111\u1ed1i; c\u1ea7n k\u1ebft h\u1ee3p sao l\u01b0u v\u00e0 th\u00f3i quen an to\u00e0n.<\/p>\n<h2>K\u1ebft lu\u1eadn<\/h2>\n<p>T\u00f3m l\u1ea1i, <strong>ransomware l\u00e0 m\u00e3 \u0111\u1ed9c t\u1ed1ng ti\u1ec1n m\u00e3 h\u00f3a d\u1eef li\u1ec7u v\u00e0 \u0111\u00f2i ti\u1ec1n chu\u1ed9c \u2013 ph\u00f2ng tr\u00e1nh b\u1eb1ng c\u00e1ch sao l\u01b0u d\u1eef li\u1ec7u th\u01b0\u1eddng xuy\u00ean, c\u1ea9n tr\u1ecdng email\/file l\u1ea1, kh\u00f4ng d\u00f9ng ph\u1ea7n m\u1ec1m l\u1eadu v\u00e0 c\u1eadp nh\u1eadt b\u1ea3o m\u1eadt<\/strong>. Hi\u1ec3u v\u1ec1 ransomware gi\u00fap b\u1ea1n b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u quan tr\u1ecdng an to\u00e0n. M\u1eddi b\u1ea1n tham kh\u1ea3o th\u00eam c\u00e1c thu\u1eadt ng\u1eef li\u00ean quan nh\u01b0 Malware l\u00e0 g\u00ec, Phishing l\u00e0 g\u00ec v\u00e0 VPN l\u00e0 g\u00ec tr\u00ean chuy\u00ean m\u1ee5c tin t\u1ee9c c\u1ee7a Ho\u00e0ng H\u00e0 Mobile.<\/p>\n<p>Xem th\u00eam:<\/p>\n<p><a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/chien-dich-tan-cong-bang-ma-doc-gay-nguy-hiem-cho-15-trieu-may-tinh-tai-viet-nam\/\">Chi\u1ebfn d\u1ecbch t\u1ea5n c\u00f4ng b\u1eb1ng m\u00e3 \u0111\u1ed9c g\u00e2y nguy hi\u1ec3m cho 1,5 tri\u1ec7u m\u00e1y t\u00ednh t\u1ea1i Vi\u1ec7t Nam<\/a><\/p>\n<p><a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/can-than-cac-ung-dung-va-tien-ich-mo-rong-chatgpt-co-the-chua-ma-doc\/\">C\u1ea9n th\u1eadn: C\u00e1c \u1ee9ng d\u1ee5ng v\u00e0 ti\u1ec7n \u00edch m\u1edf r\u1ed9ng ChatGPT c\u00f3 th\u1ec3 ch\u1ee9a m\u00e3 \u0111\u1ed9c<\/a><br \/>\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Ransomware l\u00e0 g\u00ec?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"L\u00e0 m\u00e3 \u0111\u1ed9c t\u1ed1ng ti\u1ec1n, m\u00e3 h\u00f3a ho\u1eb7c kh\u00f3a d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n r\u1ed3i \u0111\u00f2i ti\u1ec1n chu\u1ed9c \u0111\u1ec3 kh\u00f4i ph\u1ee5c.\"}},{\"@type\":\"Question\",\"name\":\"Ransomware l\u00e2y lan qua \u0111\u00e2u?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Qua email l\u1eeba \u0111\u1ea3o, file \u0111\u00ednh k\u00e8m\/t\u1ea3i v\u1ec1 \u0111\u1ed9c h\u1ea1i, ph\u1ea7n m\u1ec1m l\u1eadu, l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt, USB nhi\u1ec5m \u0111\u1ed9c.\"}},{\"@type\":\"Question\",\"name\":\"B\u1ecb ransomware c\u00f3 n\u00ean tr\u1ea3 ti\u1ec1n kh\u00f4ng?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Kh\u00f4ng n\u00ean; tr\u1ea3 ti\u1ec1n kh\u00f4ng \u0111\u1ea3m b\u1ea3o l\u1ea5y l\u1ea1i d\u1eef li\u1ec7u v\u00e0 c\u00f2n khuy\u1ebfn kh\u00edch t\u1ed9i ph\u1ea1m.\"}},{\"@type\":\"Question\",\"name\":\"L\u00e0m sao ph\u00f2ng tr\u00e1nh ransomware?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Sao l\u01b0u d\u1eef li\u1ec7u th\u01b0\u1eddng xuy\u00ean, c\u1ea9n tr\u1ecdng email\/file l\u1ea1, kh\u00f4ng d\u00f9ng ph\u1ea7n m\u1ec1m l\u1eadu, c\u1eadp nh\u1eadt, di\u1ec7t virus.\"}},{\"@type\":\"Question\",\"name\":\"Bi\u1ec7n ph\u00e1p quan tr\u1ecdng nh\u1ea5t ch\u1ed1ng ransomware l\u00e0 g\u00ec?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Sao l\u01b0u d\u1eef li\u1ec7u \u0111\u1ecbnh k\u1ef3 \u1edf n\u01a1i t\u00e1ch bi\u1ec7t, \u0111\u1ec3 c\u00f3 th\u1ec3 kh\u00f4i ph\u1ee5c khi b\u1ecb m\u00e3 h\u00f3a.\"}},{\"@type\":\"Question\",\"name\":\"B\u1ecb nhi\u1ec5m ransomware ph\u1ea3i l\u00e0m g\u00ec?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Ng\u1eaft k\u1ebft n\u1ed1i m\u1ea1ng ngay, kh\u00f4ng v\u1ed9i tr\u1ea3 ti\u1ec1n, t\u00ecm chuy\u00ean gia v\u00e0 ki\u1ec3m tra c\u00f4ng c\u1ee5 gi\u1ea3i m\u00e3 mi\u1ec5n ph\u00ed.\"}},{\"@type\":\"Question\",\"name\":\"\u0110i\u1ec7n tho\u1ea1i c\u00f3 b\u1ecb ransomware kh\u00f4ng?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"C\u00f3 th\u1ec3; n\u00ean c\u00e0i app t\u1eeb ngu\u1ed3n ch\u00ednh th\u1ee9c v\u00e0 c\u1ea9n tr\u1ecdng v\u1edbi link, file l\u1ea1.\"}},{\"@type\":\"Question\",\"name\":\"Di\u1ec7t virus c\u00f3 ch\u1eb7n \u0111\u01b0\u1ee3c ransomware kh\u00f4ng?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Gi\u00fap gi\u1ea3m nguy c\u01a1 nh\u01b0ng kh\u00f4ng tuy\u1ec7t \u0111\u1ed1i; c\u1ea7n k\u1ebft h\u1ee3p sao l\u01b0u v\u00e0 th\u00f3i quen an to\u00e0n.\"}}]}<\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ransomware (m\u00e3 \u0111\u1ed9c t\u1ed1ng ti\u1ec1n) l\u00e0 m\u1ed9t lo\u1ea1i ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i (malware) m\u00e3 h\u00f3a ho\u1eb7c kh\u00f3a d\u1eef li\u1ec7u, thi\u1ebft b\u1ecb c\u1ee7a n\u1ea1n nh\u00e2n, sau \u0111\u00f3 \u0111\u00f2i ti\u1ec1n chu\u1ed9c \u0111\u1ec3 kh\u00f4i ph\u1ee5c quy\u1ec1n truy c\u1eadp. Khi b\u1ecb nhi\u1ec5m ransomware, c\u00e1c t\u1eadp tin (t\u00e0i li\u1ec7u, h\u00ecnh \u1ea3nh, d\u1eef li\u1ec7u) b\u1ecb m\u00e3 h\u00f3a v\u00e0 kh\u00f4ng m\u1edf \u0111\u01b0\u1ee3c, [&hellip;]<\/p>\n","protected":false},"author":102,"featured_media":577911,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"ransomware l\u00e0 g\u00ec","_yoast_wpseo_title":"Ransomware l\u00e0 g\u00ec? M\u00e3 \u0111\u1ed9c t\u1ed1ng ti\u1ec1n v\u00e0 c\u00e1ch ph\u00f2ng tr\u00e1nh","_yoast_wpseo_metadesc":"Ransomware l\u00e0 g\u00ec? C\u00e1ch m\u00e3 \u0111\u1ed9c t\u1ed1ng ti\u1ec1n x\u00e2m nh\u1eadp, m\u00e3 h\u00f3a d\u1eef li\u1ec7u v\u00e0 nh\u1eefng bi\u1ec7n ph\u00e1p ph\u00f2ng tr\u00e1nh ransomware hi\u1ec7u qu\u1ea3. Xem chi ti\u1ebft t\u1ea1i Ho\u00e0ng H\u00e0 Mobile.","footnotes":""},"categories":[29235,3910],"tags":[],"class_list":["post-577904","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-goc-to-mo","category-kham-pha"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Ransomware l\u00e0 g\u00ec? M\u00e3 \u0111\u1ed9c t\u1ed1ng ti\u1ec1n v\u00e0 c\u00e1ch ph\u00f2ng tr\u00e1nh<\/title>\n<meta name=\"description\" content=\"Ransomware l\u00e0 g\u00ec? C\u00e1ch m\u00e3 \u0111\u1ed9c t\u1ed1ng ti\u1ec1n x\u00e2m nh\u1eadp, m\u00e3 h\u00f3a d\u1eef li\u1ec7u v\u00e0 nh\u1eefng bi\u1ec7n ph\u00e1p ph\u00f2ng tr\u00e1nh ransomware hi\u1ec7u qu\u1ea3. 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